Ivantcho, B. (1983). Position descriptions in special libraries: A collection of examples. Special Libraries Association.
Chicago-viite (17. p.)Ivantcho, Barbara. Position Descriptions in Special Libraries: A Collection of Examples. New York: Special Libraries Association, 1983.
MLA-viite (9. p.)Ivantcho, Barbara. Position Descriptions in Special Libraries: A Collection of Examples. Special Libraries Association, 1983.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.